By Dinand Tinholt · · Generative art

Everything moving here comes from two equations.

x′ = sin(a·y) − cos(b·x)
y′ = sin(c·x) − cos(d·y)

a 0.00b 0.00c 0.00d 0.00

Move across the picture to bend a and d. Peter de Jong's attractor, written by Claude.